CN212933312U - Servo electric cylinder positioning device based on linear encoder - Google Patents
Servo electric cylinder positioning device based on linear encoder Download PDFInfo
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- CN212933312U CN212933312U CN202021560042.8U CN202021560042U CN212933312U CN 212933312 U CN212933312 U CN 212933312U CN 202021560042 U CN202021560042 U CN 202021560042U CN 212933312 U CN212933312 U CN 212933312U
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Abstract
The utility model relates to a servo electric jar location technical field specifically discloses a servo electric jar positioner based on linear encoder, wherein, include: controller, servo controller and with the servo electric cylinder that servo controller connects, the outside of servo electric cylinder sets up the coding chi, set up linear encoder on the servo electric cylinder, linear encoder with the coding chi matches, linear encoder with servo controller all with controller communication connection, linear encoder can with servo electric cylinder's positional information and self operating condition send to main control unit. The utility model provides a servo electric jar positioner based on linear encoder ensures servo electric jar operating condition's stability and reliability, compact structure, installation convenient to use, degree of automation is high, safe and reliable.
Description
Technical Field
The utility model relates to a servo electric jar location technical field especially relates to a servo electric jar positioner based on linear encoder.
Background
In the automatic conveying equipment, a servo electric cylinder is an important mechanism, and the precise positioning of a logistics conveying line is realized through the servo electric cylinder.
The servo cylinders are typically two, three or more positions. In general application, the positioning of the servo electric cylinder is realized by adopting a PLC position control module or assisting a travel switch and a proximity switch. However, with the improvement of the automation degree of the logistics conveying line, the requirement of the multi-position positioning precision of the servo electric cylinder is improved, and the traditional PLC self-detection and sensor positioning cannot meet the requirement. Meanwhile, the detection of the traditional PLC position control module is extremely susceptible to interference of surrounding environment, lines and other signals. Even a slight error, the influence of the error is very bad over the years. Or the combination of the sensors is assisted, so that the installation and maintenance workload is large, and the number of hidden fault points is large; the position control module cannot detect the actual position of the servo electric cylinder, and positioning dislocation is easily caused and unknown. Has great potential safety hazard; in addition, in the multi-position positioning equipment of the servo electric cylinder, if a traditional travel switch or a proximity switch is adopted, the installation of the sensor is complicated and difficult, and the cleanliness and the attractiveness of the equipment are influenced by a large number of sensors and sensor transmitters.
Disclosure of Invention
The utility model provides a servo electric jar positioner based on linear encoder solves the problem of the easy dislocation of multiposition location of the servo electric jar that exists among the correlation technique.
As an aspect of the utility model, a servo electric cylinder positioner based on linear encoder is provided, wherein, include: controller, servo controller and with the servo electric cylinder that servo controller connects, the outside of servo electric cylinder sets up the coding chi, set up linear encoder on the servo electric cylinder, linear encoder with the coding chi matches, linear encoder with servo controller all with controller communication connection, linear encoder can with servo electric cylinder's positional information and self operating condition send to main control unit.
Further, the servo electric cylinder is arranged on a guide rail, and the coding ruler is located on the outer side of the guide rail and is parallel to the guide rail.
Further, the linear encoder is in communication connection with the controller through a high-speed counting module.
Further, the servo controller is in communication connection with the controller through a position control module.
Furthermore, a servo electric cylinder driving mechanism is further arranged on the servo electric cylinder.
Further, the controller includes a PLC.
The utility model provides a servo electric jar positioner based on linear encoder, set up the coding chi in the servo electric jar outside, fixed and coding chi complex linear encoder on servo electric jar, linear encoder is connected with the controller, the controller can be according to the operating condition of address direct reading linear encoder measuring positional information and linear encoder, the realization is fixed a position effectively to servo electric jar's positioning process accuracy, the controller can be according to the positional state who reads servo electric jar of linear encoder measuring positional information determination, ensure servo electric jar operating condition's stability and reliability, compact structure, installation convenient to use, the degree of automation is high, safety and reliability.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is the structure diagram of the servo electric cylinder positioning device based on the linear encoder of the present invention.
Fig. 2 is a structural block diagram of the servo electric cylinder positioning device based on the linear encoder of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances for purposes of describing the embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
For solving the problem of above-mentioned servo electric cylinder location dislocation, provided a servo electric cylinder positioner based on linear encoder in this embodiment, figure 1 is the basis the utility model discloses a servo electric cylinder positioner's based on linear encoder structure schematic diagram is provided, figure 2 is the basis the utility model provides a servo electric cylinder positioner's based on linear encoder structure block diagram, as shown in figure 1 and figure 2, include: controller 5, servo controller 8 and with servo electric cylinder 1 that servo controller 8 is connected, servo electric cylinder 1's the outside sets up coding chi 3, set up linear encoder 2 on the servo electric cylinder 1, linear encoder 2 with coding chi 3 matches, linear encoder 2 with servo controller 8 all with controller 5 communication connection, linear encoder 2 can with servo electric cylinder 1's positional information and self operating condition send to main control unit 5.
The embodiment of the utility model provides a servo electric jar positioner based on linear encoder, set up the coding chi in the servo electric jar outside, fixed and coding chi complex linear encoder on servo electric jar, linear encoder is connected with the controller, the controller can be according to the operating condition of address allocation direct reading linear encoder measuring positional information and linear encoder, the realization is fixed a position effectively to servo electric jar's positioning process accuracy, the controller can be according to the positional state who reads the servo electric jar of linear encoder measuring positional information determination, ensure servo electric jar operating condition's stability and reliability, compact structure, installation convenient to use, the degree of automation is high, safety and reliability.
Preferably, the code scale comprises a rigid code scale.
Specifically, the servo cylinder 1 is disposed on a guide rail, and the encoder scale 3 is located outside the guide rail and parallel to the guide rail.
Specifically, the linear encoder 2 is communicatively connected to the controller 5 via a high-speed counting module 7.
Specifically, the servo controller 8 is communicatively connected to the controller 5 via a position control module 6.
Specifically, a servo electric cylinder driving mechanism 4 is further arranged on the servo electric cylinder 1.
Preferably, the controller 5 comprises a PLC.
The invention is further described with reference to the following specific drawings and examples.
As shown in fig. 1 and fig. 2, in order to realize accurate and effective positioning of the moving process of the servo electric cylinder 1, the utility model comprises a servo controller and a servo electric cylinder 1 driven by the servo controller; the outer side of the servo electric cylinder 1 is provided with a rigid coding ruler 3 which is distributed in parallel with the servo electric cylinder 1, the servo electric cylinder 1 is provided with a linear encoder 2 which can be matched with the rigid coding ruler 3, and the linear encoder 2 is directly connected to a PLC (programmable logic controller) through a high-speed counting module 7, so that a controller 5 can directly read position information measured by the linear encoder 2 and the working state of the linear encoder 2.
Specifically, a servo electric cylinder driving mechanism 4 for driving the servo electric cylinder is further arranged on the servo electric cylinder 1, and the servo electric cylinder driving mechanism 4 can drive the servo electric cylinder 1 to perform required linear motion. The matching forms of the servo electric cylinder 1 and the servo electric cylinder driving mechanism 4 are well known to those skilled in the art, and are not described herein. The rigid coding ruler 3 is positioned on one side of the servo electric cylinder and is parallel to the servo electric cylinder 1, the linear encoder 2 is fixed at the front end of the servo electric cylinder 1, and the servo electric cylinder 1 can determine the position of the servo electric cylinder 1 through the cooperation of the linear encoder 2 and the rigid coding ruler 3 during linear motion. The linear encoder 2 is matched with the rigid encoding ruler 3, the positioning precision of the linear encoder reaches 0.01mm, the position of the servo electric cylinder 1 can be accurately obtained in real time, and the condition that the servo electric cylinder 1 cannot be moved due to the fact that the specific position of the servo electric cylinder 1 is lost is avoided. Fig. 1 shows a state in which the servo cylinder 1 performs a multi-position movement.
Further, the controller 5 comprises a PLC, the controller 5 and the position control module 6 are connected with the servo controller 8, the servo controller 8 drives the servo driving mechanism 4, and the linear encoder 2 is connected with the controller 5 through the high-speed counting module 7.
The embodiment of the utility model provides an in, servo electric cylinder 1 can adopt the limetak, and servo controller 8 can choose for use Mitsubishi MR-70A or assorted controller. The controller 5 may adopt other common microprocessing devices, the controller 5 may select OMRON CJ2H, the position control module 6 may adopt OMRON NC113, the high-speed counting module 7 may adopt OMRON CJ1W-CT021, the linear encoder 2 may select P + F WCS3B series, the linear encoder 2 serves as a device connected with the PLC through the high-speed counting module 7, and the controller 5 may directly read the distance value and the state information of the linear encoder 2 from the allocated address. The linear encoder 2 is connected with the PLC through the high-speed counting module 7 so as to realize access to the PLC. Generally, the controller 5 needs to be connected to the servo cylinder driving mechanism 5, that is, the controller 5 needs to determine the driving state of the servo cylinder driving mechanism 4 to the servo cylinder 1 according to the position information of the servo cylinder 1.
When the position of the multi-position servo electric cylinder 1 is debugged, the servo electric cylinder 1 is moved to a required position, the numerical value of the linear encoder 2 is recorded, a certain deviation amount is set, and the numerical value is used as the position value, so that the debugging is very convenient and fast. Meanwhile, the linear encoder 2 reads the position of the servo electric cylinder 1 corresponding to the rigid coding ruler 3 in real time, and can determine the arbitrary position information of the servo electric cylinder 1, so that the safety control of the multi-position servo electric cylinder 1 is very convenient and safe.
The utility model discloses set up rigidity coding chi 3 outside servo electric cylinder 1 one side, be fixed in on servo electric cylinder 1 rigidity coding chi 3 complex linear encoder 2, linear encoder 2 is connected with controller 5 through high-speed count module 7, controller 5 can be according to the operating condition of distribution address direct reading linear encoder 2 measuring positional information and linear encoder 2, the realization is fixed a position effectively to servo electric cylinder 1's the process of moving accuracy, controller 5 can be according to the state of moving of the servo electric cylinder 1 of the positional information determination of reading linear encoder 2 measuring positional information, ensure servo electric cylinder 1 operating condition's stability and reliability, compact structure, installation convenient to use, degree of automation is high, safety and reliability.
It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (6)
1. A servo electric cylinder positioning device based on a linear encoder is characterized by comprising: controller, servo controller and with the servo electric cylinder that servo controller connects, the outside of servo electric cylinder sets up the coding chi, set up linear encoder on the servo electric cylinder, linear encoder with the coding chi matches, linear encoder with servo controller all with controller communication connection, linear encoder can with servo electric cylinder's positional information and self operating condition send to the controller.
2. The linear encoder based servo cylinder positioning device of claim 1, wherein the servo cylinder is disposed on a guide rail, and the encoder scale is located outside the guide rail and parallel to the guide rail.
3. The linear encoder based servo cylinder positioning device of claim 1, wherein the linear encoder is communicatively coupled to the controller via a high speed counting module.
4. The linear encoder based servo cylinder positioning apparatus of claim 1, wherein the servo controller is communicatively coupled to the controller via a position control module.
5. The linear encoder based servo cylinder positioning apparatus of claim 1, wherein the servo cylinder is further provided with a servo cylinder driving mechanism.
6. The linear encoder based servo cylinder positioning apparatus of claim 1, wherein the controller comprises a PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021560042.8U CN212933312U (en) | 2020-07-31 | 2020-07-31 | Servo electric cylinder positioning device based on linear encoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021560042.8U CN212933312U (en) | 2020-07-31 | 2020-07-31 | Servo electric cylinder positioning device based on linear encoder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212933312U true CN212933312U (en) | 2021-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021560042.8U Active CN212933312U (en) | 2020-07-31 | 2020-07-31 | Servo electric cylinder positioning device based on linear encoder |
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|---|---|
| CN (1) | CN212933312U (en) |
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2020
- 2020-07-31 CN CN202021560042.8U patent/CN212933312U/en active Active
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